Space radar company chases persistent vision
The American start-up Capella says it's now ready to deploy its fleet of all-weather Earth observers.
Author Archives: BBC News - Science & Environment
Snotsicles and snowdrifts: Extreme climate science
The BBC's Justin Rowlatt explains some of the challenges of doing science in the Antarctic.
Greta Thunberg: Who is the climate campaigner and what are her aims?
The Swedish teenager started a climate change protest that grew into a global movement.